Vending machine



FIG. 1 is a top front perspective view of a vending machine showing the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures show portions of the vending machine that form no part of the claimed design.

The oblique shade lines in the figures show transparency or translucency. 

CLAIM The ornamental design for a vending machine, as shown and described. 